I have always used iKlear.
https://www.amazon.com/iKlear-8-oz-Spray-Bottle/dp/B0018CPCT8/ref=sr_1_1?ie=UTF8&qid=1532175115&sr=8-1&keywords=iklear+apple+polish&dpID=416EwZ3mdtL&preST=_SY300_QL70_&dpSrc=srch